Europe heat sparks harmful ozone pollution, 'extreme' fire risk

Europe's searing heatwave is generating very high levels of harmful ozone pollution, the region's atmospheric monitoring service warned Tuesday, adding that large areas of western Europe also face "extreme" danger of wildfires.

Researchers find that iodine in desert dust destroys ozone

When winds loft fine desert dust high into the atmosphere, iodine in that dust can trigger chemical reactions that destroy some air pollution, but also let greenhouse gases stick around longer. The finding, published today ...

Ozone causes skin to emit tiny airborne particles

Air pollution is responsible for 7 million premature deaths around the world every year, according to the World Health Organization. That's roughly the same number of people who die from smoking or malnutrition. The damaging ...

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